Only above 1 GHz. >>> Roger Hsu <[email protected]> 24/03/2004 06:24:09 >>> Could the semi-anechoic chamber meet the NSA requirements from 30MHz to 1GHz per ANSI C63.4-2000 for full compliance testing which only constructed with Ferrite Tile? i.e. without Foam Absorber. Does Foam Absorber play an important role at the lower frequency (30MHz) or it is only for above 1GHz?
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